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Commit aaecf51c authored by Sucheta Chakraborty's avatar Sucheta Chakraborty Committed by David S. Miller
Browse files

qlcnic: Limit vNIC support in legacy interrupt mode 



o When the driver loads in legacy interrupt mode, only vNICs
  with PCI function number 0-7 are supported.

Signed-off-by: default avatarSucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c65762fc

drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c

+9 −1
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *); 
#define RSS_HASHTYPE_IP_TCP		0x3

#define QLC_83XX_FW_MBX_CMD		0

#define QLC_SKIP_INACTIVE_PCI_REGS	7

#define QLC_MAX_LEGACY_FUNC_SUPP	8



static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = {

	{QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1},
@@ -357,8 +358,15 @@ int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter) 
	if (!ahw->intr_tbl)

		return -ENOMEM;



	if (!(adapter->flags & QLCNIC_MSIX_ENABLED))

	if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {

		if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) {

			dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n",

				ahw->pci_func);

			return -EOPNOTSUPP;

		}



		qlcnic_83xx_enable_legacy(adapter);

	}



	for (i = 0; i < num_msix; i++) {

		if (adapter->flags & QLCNIC_MSIX_ENABLED)

drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

+3 −0
Original line number Diff line number Diff line
@@ -2532,6 +2532,9 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 
			case -ENOMEM:

				dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");

				goto err_out_free_hw;

			case -EOPNOTSUPP:

				dev_err(&pdev->dev, "Adapter initialization failed\n");

				goto err_out_free_hw;

			default:

				dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");

				goto err_out_maintenance_mode;